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3123121014 = 2321321026667
BaseRepresentation
bin1011101000100111…
…0000101101110110
322001122200222121200
42322021300231312
522344004333024
61233523153330
7140252043036
oct27211605566
98048628550
103123121014
111362a14052
12731b15846
133aa061c00
14218ad58c6
151342b42c9
hexba270b76

3123121014 has 36 divisors (see below), whose sum is σ = 7327329516. Its totient is φ = 960959376.

The previous prime is 3123121013. The next prime is 3123121031. The reversal of 3123121014 is 4101213213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123121013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 510292 + ... + 516375.

It is an arithmetic number, because the mean of its divisors is an integer number (203536931).

Almost surely, 23123121014 is an apocalyptic number.

3123121014 is an abundant number, since it is smaller than the sum of its proper divisors (4204208502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123121014 is a wasteful number, since it uses less digits than its factorization.

3123121014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026701 (or 1026685 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3123121014 is about 55884.8907487525. The cubic root of 3123121014 is about 1461.7157869765.

Adding to 3123121014 its reverse (4101213213), we get a palindrome (7224334227).

The spelling of 3123121014 in words is "three billion, one hundred twenty-three million, one hundred twenty-one thousand, fourteen".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 1014 1521 3042 1026667 2053334 3080001 6160002 9240003 13346671 18480006 26693342 40040013 80080026 120120039 173506723 240240078 347013446 520520169 1041040338 1561560507 3123121014